Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
S& S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ
SOA SOB SOC SOD SOE SOF SOG SOH SOI SOJ SOK SOL SOM SON SOO SOP SOQ SOR SOS SOT SOU SOV SOW SOX SOY SOZ
SOUE SOUK SOUL SOUQ SOUS SOUT SOUU SOUW SOUX SOUY SOUZ
1 SOUU SOUILLAC INDUSTRIES LTD.   MUS BIC
2 SOUU NORFOLK SOUTHERN RAILWAY COMPANY [SOUTHERN RY.]     PWRC
3 SOUU Southern Railway (Norfolk Southern Railway)     RSRV